diff --git a/IRaCIS.Core.Application/Service/Common/TrialImageDownloadService.cs b/IRaCIS.Core.Application/Service/Common/TrialImageDownloadService.cs
index dab64d426..ef8607b24 100644
--- a/IRaCIS.Core.Application/Service/Common/TrialImageDownloadService.cs
+++ b/IRaCIS.Core.Application/Service/Common/TrialImageDownloadService.cs
@@ -157,6 +157,7 @@ namespace IRaCIS.Core.Application.Service
 
         public class DownloadJob
         {
+            public bool IsZip { get; set; }
             public string Name { get; set; }
 
 
@@ -367,7 +368,7 @@ namespace IRaCIS.Core.Application.Service
 
                 foreach (var noneDicomStudy in visitItem.NoneDicomStudyList)
                 {
-                    string studyNoneDicomFolderPath = Path.Combine(trialFolderPath, $"{visitItem.SubjectCode}_{visitItem.VisitName}", $"{noneDicomStudy.StudyCode}_{noneDicomStudy.ImageDate.ToString("yyyy-MM-dd")}_{noneDicomStudy.Modality}");
+                    string studyNoneDicomFolderPath = Path.Combine(trialFolderPath, $"{visitItem.SubjectCode}_{visitItem.VisitName.Trim()}", $"{noneDicomStudy.StudyCode}_{noneDicomStudy.ImageDate.ToString("yyyy-MM-dd")}_{noneDicomStudy.Modality}");
 
                     Directory.CreateDirectory(studyNoneDicomFolderPath);
 
@@ -376,7 +377,7 @@ namespace IRaCIS.Core.Application.Service
                         string destinationPath = Path.Combine(studyNoneDicomFolderPath, Path.GetFileName(file.FileName));
 
                         //加入到下载任务里
-                        downloadJobs.Add(new DownloadJob() { Name = $"{visitItem.SubjectCode}_{visitItem.VisitNum}_{visitItem.VisitName}_NoneDICOM_{destinationPath}", Action = () => _oSSService.DownLoadFromOSSAsync(HttpUtility.UrlDecode(file.Path), destinationPath) });
+                        downloadJobs.Add(new DownloadJob() { Name = $"{visitItem.SubjectCode}_{visitItem.VisitNum}_{visitItem.VisitName.Trim()}_NoneDICOM_{destinationPath}", Action = () => _oSSService.DownLoadFromOSSAsync(HttpUtility.UrlDecode(file.Path), destinationPath) });
 
                         //下载到当前目录
                         //await _oSSService.DownLoadFromOSSAsync(HttpUtility.UrlDecode(file.Path), destinationPath);
@@ -391,6 +392,8 @@ namespace IRaCIS.Core.Application.Service
                 {
                     Name = $"{visitItem.SubjectCode}_{visitItem.VisitName.Trim()}_Zip",
 
+                    IsZip = true,
+
                     Action = async () =>
                     {
                         string zipPath = visitFolderPath + ".zip";
@@ -403,7 +406,7 @@ namespace IRaCIS.Core.Application.Service
                         ZipFile.CreateFromDirectory(
                             visitFolderPath,
                             zipPath,
-                            CompressionLevel.Fastest,
+                            CompressionLevel.NoCompression,
                             false);
 
                         Directory.Delete(visitFolderPath, true);
@@ -439,7 +442,18 @@ namespace IRaCIS.Core.Application.Service
             {
                 try
                 {
-                    await job.Action();
+                    if (job.IsZip == false)
+                    {
+                        await job.Action();
+
+                    }
+                    else
+                    {
+                        _ = Task.Run(async () =>
+                        {
+                            await job.Action();
+                        });
+                    }
                 }
                 catch (Exception ex)
                 {